GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Except Japan


Object Number: 1410677  Size: FS
Master Electrical Component List
Navigation System Description and Operation
Control Module References
Japan
Navigation System Schematic Icons
Figure 2:

Japan


Object Number: 1410682  Size: FS
Master Electrical Component List
Navigation System Description and Operation
Control Module References
Except Japan
Fuse Block-Underhood Fuses; BATT3, STOP/BU/LPS, BCM Fuses; BTSI SOL,COL LOCK, RADIO/S-BAND/VICS, TONNEAU RELEASE, REAR FOG/ALDL TOP SW, REVERSE LAMPS
Power, Ground and Wiper Motor
Navigation System Schematic Icons
G104 and G106